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Finding the Fourth Proportional to 455,856.64, 683,814.12 and 175,373.88

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Solution

The fourth proportional to 455,856.64, 683,814.12 and 175,373.88 is: 263,072.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,856.64 : 683,814.12 = 175,373.88 : x
  2. Step 2: Convert to fraction form
    455,856.64/683,814.12 = 175,373.88/x
  3. Step 3: Cross multiply
    455,856.64x = 683,814.12 × 175,373.88
  4. Step 4: Simplify right side
    455,856.64x = 119,923,135,423.19
  5. Step 5: Solve for x
    x = 119,923,135,423.19/455,856.64
  6. Step 6: Final answer
    x = 263,072.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.